Paneekarn, Thanatphat, and Suparp Chatraphorn. “Motivation on Selection of Short-Course Training in Public and Private Institutions in Bangkok Metropolis”. Kasetsart Journal of Social Sciences 27, no. 2 (December 31, 2006): 214–224. accessed April 10, 2025. https://so04.tci-thaijo.org/index.php/kjss/article/view/246392.